217966138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1019}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 371851200

約数和(自身を除く): 153885062

約数列:

[1, 2, 13, 19, 26, 38, 247, 433, 494, 866, 1019, 2038, 5629, 8227, 11258, 13247, 16454, 19361, 26494, 38722, 106951, 213902, 251693, 441227, 503386, 882454, 5735951, 8383313, 11471902, 16766626, 108983069, 217966138]

約数ペア:

[(1, 217966138), (2, 108983069), (13, 16766626), (19, 11471902), (26, 8383313), (38, 5735951), (247, 882454), (433, 503386), (494, 441227), (866, 251693), (1019, 213902), (2038, 106951), (5629, 38722), (8227, 26494), (11258, 19361), (13247, 16454)]